American Governor offers a complete line of new replacement parts - as well as many reconditioned parts and assemblies - for the venerable Woodward A-Actuator. Parts are often In Stock or available with only a short lead time. A properly tuned and maintained mechanical governor provides excellent frequency regulation.
Woodward A-Actuator
A-Actuator and Pump
A-Actuator Interior
Woodward A-Actuators are divided into two sizes:
Small A-Actuators: A3 and A4
Large A-Actuators: A5 through A8
Small A-Actuator Parts List
Part Number
Reference Number
Description
120119
Reference
Screw - Tach Drive
120333
Reference
Rod - Speeder
120341
Reference
Disc - Speeder Rod
120343
Reference
Rod End
120451
Reference
Pin - Floating Lever
120731
Reference
Pin - Ballarm
120732
Reference
Block - Ballarm
121015
Reference
Lever - Lower Floating Direct
121267
Reference
Disc - Lower Vibrator
121268
Reference
Disc - Upper Vibrator
121269
Reference
Retainer - Ball
130051
Reference
Pilot Valve Bushing
140319
Reference
Pin - Roller
140354
Reference
Strainer Screen
140622
Reference
Ballarm toe roller
140623
Reference
Vibrator - Upper
140631
Reference
Vibrator - Lower
141087
Reference
Washer - Thrust
141092
Reference
Fiber Washer
141105
Reference
Glass - Gauge
141108
Reference
Washer - Gauge Glass
141117
Reference
Lever - Upper Floating Reverse
141118
Reference
Lever - Lower Floating Direct
141226
Reference
Vibrator - Lower
141228
Reference
Vibrator - Upper
141786
Reference
D - Washer
141802
Reference
Thrust Bearing Weighted Head
142280
Reference
Fork
143172
Reference
Pilot Valve Plunger
175219
Reference
Seal Assembly - Relay Stem
175634
Reference
Kit - Filter Changeover
180041
Reference
Bearing - Thrust Washer
180052
Reference
Bearing - Dashpot Link
180053
Reference
Bearing - Ballarm
180055
Reference
Bearing - Use 180124
180061
Reference
Bearing - Ball
180066
Reference
Bearing - Ball
180096
Reference
Bearing - Needle
180124
Reference
Bearing - Ballarm
180125
Reference
Bearing - Spindle
182082
Reference
Packing -
1-3/4 OD Cheveron
183006
Reference
Bushing - Small Dashpot
183007
Reference
Bushing - Large Dashpot
183187
Reference
Bushing - Speed Droop
183273
Reference
Bushing - Speed Adjust Gear
184037
Reference
Pin - Tachometer Drive
184090
Reference
Cotter Pin
184358
Reference
Pin - Ballarm block
186063
Reference
Pilot Valve Packing (5)
188195
Reference
90K Pivot Pin
189467
Reference
1/4 Steel Ball
191404
Reference
Tapered Pilot Valve Spring
191853
Reference
Friction Spring
206144
Reference
Strainer Gasket
206181
Reference
Packing - 1/4 Square Garlock
206182
Reference
Packing - 3/16 Garlock
1010-662
Reference
Washer - Tachometer Adapter
1327-204
Reference
Pilot Valve Filter Element
1355-113
Reference
O-Ring - Strainer Nut
1355-453
Reference
O-Ring - Strainer Cup to Case
3236-030
Reference
Spacer - Bearing
Large A-Actuator Parts List
Part Number
Reference Number
Description
120044
Reference
Disc - Upper Vibrator
120045
Reference
Block - Slide
120119
Reference
Screw - Tach Drive
120332
Reference
Rod - Speeder
120334
Reference
Disc - Lower Vibrator
120340
Reference
Disc - Speeder Rod
120342
Reference
Rod End
120346
Reference
Washer - Thrust
120347
Reference
Lever - Upper Floating
120349
Reference
Lever - Lower Floating
121013
Reference
Thrust Bearing Weighted Head
121016
Reference
Lever - Lower Floating
121341
Reference
Disc - Upper Vibrator
121342
Reference
Disc - Lower Vibrator
121343
Reference
Retainer - Ball
141092
Reference
Fiber Washer
141108
Reference
Washer - Gauge Glass
141786
Reference
D - Washer
180041
Reference
Bearing - Thrust Washer
180052
Reference
Bearing - Dashpot Link
180053
Reference
Bearing - Ballarm
180066
Reference
Bearing - Ball
180096
Reference
Bearing - Needle
180101
Reference
Bearing - Needle
180125
Reference
Bearing - Spindle
183185
Reference
Bushing - Speed Droop
184037
Reference
Pin - Tachometer drive pin
184090
Reference
Cotter pin
184347
Reference
Pin - Ballarm Block
184467
Reference
Pin - Tach Drive
188194
Reference
Pivot Pin - 1/4 Dia
189463
Reference
Ball - 5/16 Dia
191853
Reference
Friction Spring
1010-662
Reference
Washer - Tachometer Adapter
3236-030
Reference
Spacer - Bearing
Complete A-Actuator Parts List
Reference Number
Description
12000-19K17
Relay Limit Blind Nut
12000-41-K
Speeder Ball Retainer
12000-46-K
Adjusting Knob
12000-47-K
Spiral Pinion Bearing
12000-52-K
Washer
12000-55
Friction Spring
12000-64
Pilot Valve Spring
12000-89XIS
Packing Gland
12000-95
Spring
12000-100
Speed Adjusting Spring
12000-101
Ball Arm Spring
12000-119
Dashpot Spring
12000-122
Spring
12000-140
Spring
12000-140
Spring.
12000-141
By Pass Spring
12000-342K
Motor Pinion
12000-345KB
Motor Bracket
12000-410-K
Strainer Drain
12000-414-K
Strainer Cage
12000-415-K
Strainer Screen
12000-416-K
Strainer Rod
12000-417-K
Blind Nut
12000-420-K
1/4" Valve Assembly
12000-425K23A
Hand Valve Bonnet Assembly
12000-30000
Relay and Base
12000-30070
Base Side Cover
12000-30130
Base End Cover
12000-30230
Hand Valve Seat
12000-30280
Relay Bush
12000-30350
Plunger Disc
12000-30400
Relay Rod
12000-30500
Hand Valve Bonnet
12000-30560
Hand Valve Stem
12000-30600
Hand Valve Disc Sleeve
12000-30650
Hand Valve Disc
12000-30710
Hand Valve Stem Nut
12000-30750
Packing Nut
12000-30795
Relay Rod End
12000-30820
Relay Bonnet
12000-30890
Relay Bonnet Nut Cover
12000-30950
Hand Valve Nut Cover
12000-30990
Handwheel
12000-31100
Control Column
12000-31110
Door
12000-31250
Actuator Dome
12000-31570
Walking Beam
12000-31590
Walking Beam
12000-31610
Pivot Pin
12000-31630
Walking Beam Shaft
12000-31650
Governor Head Case
12000-31670
Governor Head
12000-31690
Ball Arm
12000-31695
Bearing Spacer
12000-31700
Grease Seal
12000-31710
Fly Ball
12000-31730
Spring Bar
12000-31750
Spring Nut
12000-31770
Pivot Pin
12000-31810
Bearing Nut
12000-31830
Vibrator Disc - Upper
12000-31850
Stationary Sleeve
12000-31910
Speeder Rod
12000-31930
Vibrator Disc - Lower
12000-31950
Oil Cup
12000-31970
Ball Retainer
12000-31990
Roller for Ball Arm
12000-31995
Roller Pin
12000-32010
Speeder Spring Disc
12000-32050
Pivot Screw
12000-32070
Ball Thrust Washer
12000-32070
Ball Thrust Washer
12000-32110
Upper Floating Lever
12000-32131
Lower Floating Lever
12000-32208
Stop Finger
12000-32210
Sleeve Fork
12000-32230
Stop Rod
12000-32231
Stop Rod Adjusting Nut
12000-32310
Stop Rod Ball Nut
12000-32431
Gate Limit Lever
12000-32470
Gate Limit Link
12000-32500
Gate Limit Crank
12000-32550
Internal Gear
12000-32640
Stud for Planet Pinion
12000-32660
Planet Pinion
12000-32670
Pinion and Sun Pinion
12000-32680
Handwheel Shaft
12000-32690
Control Wheel
12000-32700
Stub Shaft
12000-32720
Hand - Red
12000-32750
Hand - Black
12000-32840
Compensating Rack
12000-32860
No. 8 Taper Pin
12000-32920
Compensating Rack
Bracket
12000-32940
Ball Joint
12000-32940-A
Ball Joint Assembly
12000-32950
Compensating Rod
12000-33100
Controller
12000-33100-A
Controlet
12000-33120
Control Plunger
12000-33160
Fork
12000-33220
Packing Cap
12000-33240
Control Plunger Cap
12000-33270
Closing Adjusting Screw
12000-33290
Relay Limit Adjusting Screw
12000-33400
Control Standard
12000-33420
Compensating Crank Shaft
12000-33430
Equalizing Cam
12000-33450
Equalizing Lever
12000-33470
Speeder Screw
12000-33480
Equalizer Sleeve
12000-33490
Cup Gear
12000-33500
Stop Lug Collar
12000-33510
Speed Adjusting Screw
12000-33520
Motor Gear
12000-33530
Frictional Nut
12000-33535
Friction Washer
12000-33580
Compensating Lever
12000-33600
Safety Shutdown Lever
12000-33700
Floating Lever Connecting Rod
12000-33700A
Floating Lever Connecting Rod
12000-33800
Strainer Case
12000-33800A
Pilot Valve Strainer Assembly
12000-33900
Dashpot Case
12000-33920
Dashpot Plunger
12000-33950
Plunger Rod Bonnet
12000-33960
Connecting Link
12000-33970
Spring Plunger
12000-34000
Dashpot Spring Bonnet
12000-34010
Sight Glass
12000-34020
Dashpot Needle
12000-34030
Dashpot Needle Handle
12000-34040
By Pass Lever
12000-34050
By Pass Lever Guide
12000-34060
By Pass Rod
12000-34100
Auxiliary Valve Case
12000-34100A
Auxiliary Relay Assembly
12000-34120
Auxiliary Valve Bush
12000-34140
Auxiliary Valve Plunger
12000-34160
Auxiliary Valve Connecting Fork
12000-34200
Valve Bonnet
12000-34220
Hand Valve Seat
12000-34225
Hand Valve Disc
12000-34330
Pilot Valve Plunger
12000-34340
Pilot Valve Bush
12000-34350
Packing Nut
12000-34440
Safety Lever Hand Latch
12000-34700
Piston Rod Fork
12000-34710
Pivot Pin
12000-34740
Piston Valve Seat
12000-34750
Bottom Valve Seat
12000-34770
Pump Body
12000-34780
Piston
12000-34820
Thrust Link
12000-34830
Pump Handle
12000-34850
Handle Socket
12000-34860
Valve Plunger
12000-35120
Friction Pinion
Technical Support and Field Service Available
Is your governor hunting? Are you having trouble synchronizing? Do the gates drift while on-line? We can help.
Our deeply experienced, OEM-trained Field Service Engineers are ready to answer any maintenance questions you may have and can be dispatched to your site on short notice for anything from routine troubleshooting, tuning, and calibration to a complete governor overhaul.
